88578881 has 4 divisors (see below), whose sum is σ = 88881492. Its totient is φ = 88276272.

The previous prime is 88578877. The next prime is 88578913. The reversal of 88578881 is 18887588.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77721856 + 10857025 = 8816^2 + 3295^2 .

It is a cyclic number.

It is not a de Polignac number, because 88578881 - 2² = 88578877 is a prime.

It is a super-2 number, since 2×88578881² = 15692436318424322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88578781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150866 + ... + 151451.

It is an arithmetic number, because the mean of its divisors is an integer number (22220373).

Almost surely, 2^88578881 is an apocalyptic number.

It is an amenable number.

88578881 is a deficient number, since it is larger than the sum of its proper divisors (302611).

88578881 is a wasteful number, since it uses less digits than its factorization.

88578881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302610.

The product of its digits is 1146880, while the sum is 53.

The square root of 88578881 is about 9411.6354051780. The cubic root of 88578881 is about 445.7692053298.

The spelling of 88578881 in words is "eighty-eight million, five hundred seventy-eight thousand, eight hundred eighty-one".